characteristics that unify mollusca
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- I. Unifying Characteristics. 1  80,000 species total (2nd largest phylum, Arthropods come first). 2  Body of Foot, Visceral Mass, Mantle and Shell (exoskeleton). 3  Mouth with Radula.4  Protostomes, Bilateral, Tripoblastic, Reduced Coelom. 5  Respiratory by gills or lungs. 6  Sexes separate usually.. Unifying Characteristics. 1  80,000 species total (2nd largest phylum, Arthropods come first). 2  Body of Foot, Visceral Mass, Mantle and Shell (exoskeleton). 3  Mouth with Radula. 4  Protostomes, Bilateral, Tripoblastic, Reduced Coelom. 5  Respiratory by gills or lungs. 6  Sexes separate usually.
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Introduction to the Lophotrochozoa Of molluscs, worms, and lophophores. The Lophotrochozoa comprise one of the major groups within the animal kingdom, In turn, the Lophotrochozoa belongs to a larger group within the Animalia called the Bilateria, because they are bilaterally symmetrical with a left and a right side to their bodies.f molluscs, worms, and lophophores. The Lophotrochozoa comprise one of the major groups within the animal kingdom, In turn, the Lophotrochozoa belongs to a larger group within the Animalia called the Bilateria, because they are bilaterally symmetrical with a left and a right side to their bodies.
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Phylum Mollusca Many species have a calcareous shell. Molluscs are bilaterally symmetrical, although some have secondarily lost the symmetry in part; they have well-developed excretory, digestive, respiratory and circulatory systems.
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Annelid Each segment has the same sets of organs and, in most polychaetes, has a pair of parapodia that many species use for locomotion. Septa separate the segments of many species, but are poorly defined or absent in others, and Echiura and Sipuncula show no obvious signs of segmentation.ach segment has the same sets of organs and, in most polychaetes, has a pair of parapodia that many species use for locomotion. Septa separate the segments of many species, but are poorly defined or absent in others, and Echiura and Sipuncula show no obvious signs of segmentation.
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What are annelids? Distinguishing characteristics of the phylum annelida are conspicuous metameric segmentation, they are triploblastic, coelomate, bilaterally symmetrical, tubular bodies (worms …), they have a nervous system and some sense organs.nnelids are helpful in that they burrow in the soil and these burroughs connect to the surface and admit air into the soil (aeration. This also allows water to percolate or p … ass down into the soil with the aid of gravity.
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Kingdom Animalia Kingdom Animalia Characteristics. General characteristics of the Kingdom Animalia are as follows: Animals are eukaryotic, multicellular and heterotrophic organisms. They have multiple cells with mitochondria and they depend on other organisms for food.
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- Answer by Haj86. Confidence votes 6. Some well known gastropods, which are mollusks, are snails and slugs, and they exhibit what is known as BILATERAL SYMMETRY. The only other kind of symmetry that exists in the animal kingdom, with the exception of colonial species such as the sponge, is RADIAL SYMMETRY.This second type is exhibited by starfish, for example.hat kind of symmetry does gastropoda have? already exists. already exists as an alternate of this question. exists and is an alternate of. Most customers will probably want more than one emberlight, in order to cover a large portion of their home. On average, how many emberlight plugins do you expect a customer will buy? What kind of symmetry ...
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Introduction to the Lophotrochozoa Lophophorata: This group includes the Phoronida and Entoprocta (both small groups) as well as the Bryozoa (moss animals) and Brachiopoda (brachiopods), both of which have an extensive fossil record. The feature shared by this group is the lophophore, an unusual feeding appendage bearing hollow tentacles.any of the members are worm-like, though not all of them are familiar or common. The two largest groups of trochozoans are the Mollusca (molluscs) and the Annelida (segmented worms). It might seem strange at first to group earthworms and squid together.
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- Body Symmetry of Phylum Chordata Although chordates come in many shapes and sizes, they share the four characteristics listed above and they also all have bilateral symmetry. If you divide a chordate in half, you will get two equal pieces that are mirror images of each other.
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- Countries that use ISO paper sizes may use A8 (74 × 52 mm) or ID-1 ( approx. 85.60 × 53.98 mm or 3.370 × 2.125 in) for standard business cards. But no matter what the standard is in your country you aren't obligated to use standard size business cards.
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Characteristics of Phylum Mollusca-Diaz 5)Body monomeric and highly variable in form, may possess a dorsal or lateral shells of protein and calcareous spicules. 6)Has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords.
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Jellyfish Jellyfish and their relatives such as the Portuguese man-of-war are mobile, either actively swimming or pushed by winds and currents. Both stationary and mobile members of this group have radial symmetry with body parts radiating from a central axis. This allows jellyfish to detect and respond to food or danger from any direction. Jellyfish have an outer layer which covers the external body surface, and an inner layer which lines the gut.
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Bivalves: Phylum Mollusca, Class Bivalvia Bivalves: Phylum Mollusca, Class Bivalvia. Clams, mussels, oysters, and scallops are members to the class Bivalvia (or Pelecypodia). Bivalves have two shells, connected by a flexible ligament, which encase and shield the soft vulnerable parts of the creature.ivalves: Phylum Mollusca, Class Bivalvia. Clams, mussels, oysters, and scallops are members to the class Bivalvia (or Pelecypodia). Bivalves have two shells, connected by a flexible ligament, which encase and shield the soft vulnerable parts of the creature.
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- The characteristics of cnidarians are that they have claws, hard exoskeleton, and reproduce sexually. ------- That answer is just silly. The phylum, cnidaria, includes hydras, jellyfish, sea anemones, and corals.
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- emdjay23. An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. The kingdom does it most likely belong in: Protista.n organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. What kingdom does it most likely belong in? (More). Question. Not Answered.
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- The characteristics of cnidarians are that they have claws, hard exoskeleton, and reproduce sexually. ----- That answer is just silly. The phylum, cnidaria, includes hydras, jellyfish, sea anemones, and corals.
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- Cephalopods are the most intelligent, most mobile, and the largest of all molluscs. Squid, octopuses, cuttlefish, the chambered nautilus, and their relatives display remarkable diversity in size and lifestyle with adaptations for predation, locomotion, disguise, and communication.quid, octopuses, cuttlefish, the chambered nautilus, and their relatives display remarkable diversity in size and lifestyle with adaptations for predation, locomotion, disguise, and communication.
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- PHYLUM MOLLUSCA. The Mollusca is the second largest animal phylum after the Arthropoda. Mollusks, which are familiar shallow marine and fresh water creatures, include clams, mussels, oysters, snails, slugs, octopus, and squid. They are an important source of food for people and for many other animals.
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- The Phylum Mollusca is a large and diverse group of animals that includes clams, scallops, oysters, snails, slugs, squid, octopus, and chamber nautilus. The Phylum shares features with other animal phyla.
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Cnidaria The exclusively aquatic phylum Cnidaria is represented by polyps such as sea anemones and corals, and by medusae such as jellyfish. A polypoid or a medusoid cnidarian is a radially or biradially symmetrical, uncephalized animal with a single body opening, the mouth.wo body forms are characteristic of cnidarians -- the polyp and the medusa. With a few exceptions, a columnar polyp is sedentary, being attached to or burrowed into the substratum by the end opposite the mouth.
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- Molluscs include such familiar creatures as clams, oysters, snails, and octopi. They share a distant common ancestor with the annelid worms, an evolutionary heritage suggested by their larval form, called a trochophore larva, found in all molluscs and in certain marine annelids called polychaete worms.ivalves form a pair of siphons, sometimes formed by folds of the mantle, which let water in (incurrent siphon) or let water out (excurrent siphon). The flow of water is caused by the beating of the cilia that cover the gills. The water current brings in oxygen, food, and gametes, and carries off waste materials.
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Of Snails and Squids: Characteristics of the Adaptive Mollusk Mollusks, also spelled as molluscs, are living entities characterized by the presence of a hard outer shell. This phylum encompasses some of the highly-diverse animal species in the world. Mollusks are invertebrate animals, meaning that they lack the vertebral column.
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Characteristics of Phylum Mollusca-Diaz 2)Body has more than two cell layers, tissues and organs. 3)Body without cavity. 4)Body possesses a through gut with mouth and anus. 5)Body monomeric and highly variable in form, may possess a dorsal or lateral shells of protein and calcareous spicules.6)Has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords.7)Has an open circulatory system with a heart and an aorta.)Body possesses a through gut with mouth and anus. 5)Body monomeric and highly variable in form, may possess a dorsal or lateral shells of protein and calcareous spicules. 6)Has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords.
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Of Snails and Squids: Characteristics of the Adaptive Mollusk Mollusca is the term for the phylum of animals containing mollusks. It is very diverse and contains many marine and freshwater organisms. Examples of mollusks are snails, octopus, mussels.
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snails, clams, squids and octopodes snails, clams, squids and octopodes. Mollusca. Mollusks are a large group of invertebrate animals. Mollusks have soft bodies, and their bodies are not divided into rings like the segmented worms called annelids.Mollusks don't have legs, though some have flexible tentacles for sensing their environment or grabbing things.here are three main groups of mollusks. Snails (Gastropoda) are the most diverse group, there are tens of thousands of species. Nearly all snails grow a spiral shell that is all one piece. A few snail groups have stopped growing shells; they're called slugs.
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Difference Between Sponges and Cnidarians There are about 10,000 species found in this phylum. The key characteristic features of cnidarians include radial symmetry, acoelomate body with tissues, lack of organs, and the simple digestive sac that opens through a mouth, which is surrounded by tentacles armed with nematocysts.All cnidarians are carnivores and have very simple body structures adapted as predators.he key characteristic features of cnidarians include radial symmetry, acoelomate body with tissues, lack of organs, and the simple digestive sac that opens through a mouth, which is surrounded by tentacles armed with nematocysts.